Recommended Practice for Consolidation of Concrete

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Title: Recommended Practice for Consolidation of Concrete

Author(s): ACI Committee 309

Publication: Journal Proceedings

Volume: 68

Issue: 12

Appears on pages(s): 893-932

Keywords: air; air entrainment; amplitude; centrifugal force; compacting; concrete blocks; concret construction; concrete pavements; concrete pipes; concrete products; concrete slabs; concretes; consistency; consolidation; floors; formwork (construction)

Date: 12/1/1971

Abstract:
Consolidation is the process of removing entrapped air from fresh concret in the form. Several methods and techniques are available - the choice depending mainly on the workability of the mix, placing conditions, and degree of deaeration desired. Some form of vibration is usually employed This recommended practice includes up-to-date information on the mechanism of consolidation, and gives recommendations on equipment characteristics and procedures for various classes of construction.